Improvement in street-lanterns



JOHN 000K.

Street Lantern.

No 124 665 Paten'ted March 19, 1372.-

JOHN cook, or New YORK, N. Y.

IMPROVEMENT IN STREET-LANTERNS.

Specification forming part of Letters Patent No. 124,665, dated March19, 1872.

To all whom it may concern:

Beit known that I, JOHN COOK, of the city, county, and State of N ewYork, have invented certain new and useful Improvements in Lanterns forIlluminating Streets and other public places; and that others skilled inthe art may make and use my invention, I make this full, true, and exactdescription thereof, and of its mode of operation.

Figure No. l is a view in elevation and partly in section of a lanternand burner containing my invention.

rIhe general structure and frame of my lan' tern does not differ fromthose generally in use for such purposes. I provide my lantern,howeverwith an upper and a lowerreservoir for holding the iiuid for theproduction of the gas before mentioned. The upper reservoir-is indicatedby the letter B, and the lower one on Fig. No. 2, which represents thelower reservoir, and the bottom of the lantern by the letters B B', andI'make them of such aggregate capacity that they may contain sufficientfor a liberal degreeof illumination for some fourteen nights; and Iplace the upper reservoir above the bulge of the lantern and the lowerone below, or nearly below the bottom of the lantern and outside of thelantern, and iiXed toit, and without the reach of heat from the iiamefrom the burner, to be attached to a pipe, p, from the bottom of thelower reservoir; and I connect the upper reservoir to the lower one by apipe, G, and provide it with a valve-cock, D, by which to admit and stopthe flow of thelluid from the upper to the lower reservoir. There is anopening on the top of the upper reservoir, closed by a cap, K, throughwhich to iill said reservoirs; and when the lower one .is lled the factmay be seen throughan opening in the top of the lower reservoir, markedI, covered by a piece of glass, at which time the cock is to be turnedto stop the further flow of the iuid;

Fig. No. 2; and I attach a pipe to the bottom of the lower reservoir,which pipe is marked by the letter p, which I carry to the central partof the bottom of the lantern, when it is turned up and fit-ted toreceive my safetyburner; and the central portion of the bottom ofthelantern is separated from the other portion of the bottom, and is alsocovered with wire-gauze, having a sliding door, d, in it, through whicha lighter may be put to light the burner, and through which theextinguisher also may be put to extinguish the burner; and; to the upperend of the pipe p, in the central part of the bottom of the lantern, Iattach my safety-burner, which having been fully described in myapplication for Letters Patent on myvlamp and burner for the safeproduction and combustion of hydrocarbonf vapor gas for illumination, Iomit any specific description of it here.

The operation of my invention, while it is partly indicated in thestatement of the construction of my lantern and the relation of theburner to the body of the iiuid to be converted into hydrocarbon-vaporgas for the illumina-I tion of streets and public places, may be moreperfectly stated as follows: First, after affixing my said safety-burnerto the top o f the pipe p and filling the reservoirs with theappropriate iiuid, and moving the sliding door in the bottom of thelamp, marked d, a lighted lighter may be extended up through said doorto the burner, when it will, after a moments application to the top ofthe burner, burn, and the wick of the tube of the burner will draw upfrom below, by capillary attraction, only so much of such fluid as itwill convert into a perfect hydrocarbon-vapor gas for illuminationwhilethe provision of the wire-gauze for the bottom of the lamp, While itwill admit a moderate iiow of exterior air to sustain a perfectcombustion, will also prevent the sudden accession of any air, by stormsorwinds, to extinguish the light from the burner; and the use of theWick, with the mode of lighting set forth, relieves from the necessityof placing the body of the fluid for the production of this gas, for thepurpose stated, above the level of the burner, and the consequentnecessity of relying upon any metallic valves to admit and stop the flowof the material to the burner 5 and for the purpose of securing agreater deby u pipe, with a. cock in it, to admit and stop the flow ofthe iiuid from the upper to the lower reservoir, the lower one beingprovided with means by which to determine when it is illed, and upperand lower apertures by Ineens whereof to clean it, in combination witha. pipe from the bottom of the lower one, to which to attach a burner,and the wire-gauze bottom, for the uses and purposes set forth. JOHNCOOK. Witnesses:

JN0. B. SCOTT, l?. J. DUFFY.

